mbed-os/features/netsocket/CellularInterface.h

137 lines
4.4 KiB
C++

/* Copyright (c) 2019 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CELLULAR_INTERFACE_H_
#define CELLULAR_INTERFACE_H_
#include "netsocket/NetworkInterface.h"
/**
* @addtogroup cellular
* @{
*/
/** Common interface that is shared between cellular interfaces.
*/
class CellularInterface: public NetworkInterface {
public:
/** Get the default cellular interface.
*
* This is provided as a weak method so applications can override.
* Default behavior is to get the target's default interface, if
* any.
*
* @return pointer to interface, if any.
*/
static CellularInterface *get_default_instance();
/** Set the cellular network credentials.
*
* Please check documentation of connect() for default behavior of APN settings.
*
* @param apn Access point name.
* @param uname Username (optional).
* @param pwd Password (optional).
*/
virtual void set_credentials(const char *apn, const char *uname = 0,
const char *pwd = 0) = 0;
/** Set the plmn. PLMN controls to what network device registers.
*
* @param plmn user to force what network to register.
*/
virtual void set_plmn(const char *plmn) = 0;
/** Set the PIN code for SIM card.
*
* @param sim_pin PIN for the SIM card.
*/
virtual void set_sim_pin(const char *sim_pin) = 0;
/** Attempt to connect to a cellular network with a PIN and credentials.
*
* @param sim_pin PIN for the SIM card.
* @param apn Access point name (optional).
* @param uname Username (optional).
* @param pwd Password (optional).
* @return NSAPI_ERROR_OK on success, or negative error code on failure.
*/
virtual nsapi_error_t connect(const char *sim_pin, const char *apn = 0,
const char *uname = 0,
const char *pwd = 0) = 0;
/** Attempt to connect to a cellular network.
*
* If the SIM requires a PIN, and it is invalid or not set, NSAPI_ERROR_AUTH_ERROR is returned.
*
* @return NSAPI_ERROR_OK on success, or negative error code on failure.
*/
nsapi_error_t connect() override = 0;
/** Stop the interface.
*
* @return NSAPI_ERROR_OK on success, or error code on failure.
*/
nsapi_error_t disconnect() override = 0;
/** Check if the connection is currently established.
*
* @return `true` if the cellular module have successfully acquired a carrier and is
* connected to an external packet data network using PPP, `false` otherwise.
*/
virtual bool is_connected() = 0;
/** @copydoc NetworkInterface::get_ip_address */
nsapi_error_t get_ip_address(SocketAddress *address) override = 0;
/** @copydoc NetworkInterface::cellularInterface
*/
CellularInterface *cellularInterface() final
{
return this;
}
#if !defined(DOXYGEN_ONLY)
protected:
/** Get the target's default cellular interface.
*
* This is provided as a weak method so targets can override. The
* default implementation configures and returns the OnBoardModemInterface,
* if available.
*
* @return Pointer to interface, if any.
*/
static CellularInterface *get_target_default_instance();
#endif //!defined(DOXYGEN_ONLY)
public:
/** Set default parameters on a cellular interface.
*
* A cellular interface instantiated directly or using
* CellularInterface::get_default_instance() is initially unconfigured.
* This call can be used to set the default parameters that would
* have been set if the interface had been requested using
* NetworkInterface::get_default_instance() (see nsapi JSON
* configuration).
*/
void set_default_parameters() override;
};
#endif // CELLULAR_INTERFACE_H_